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Hybrid vehicle drive system and method using split shaft power take off

  • US 9,878,616 B2
  • Filed: 11/18/2014
  • Issued: 01/30/2018
  • Est. Priority Date: 07/12/2007
  • Status: Active Grant
First Claim
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1. A vehicle drive system for a vehicle including a first prime mover, a first prime mover driven transmission, and a rechargeable energy source, the vehicle drive system comprising:

  • a split shaft PTO configured to receive power from a plurality of components and transfer power to a plurality of components;

    an electric motor in direct or indirect mechanical communication with the first prime mover driven transmission through the split shaft PTO, wherein the electric motor can receive power from the first prime mover driven transmission via the split shaft PTO; and

    a fluid motor in direct or indirect mechanical communication with the split shaft PTO, the fluid motor being powered by rotation of the electric motor via the split shaft PTO, wherein the electric motor can be rotated using power from the rechargeable energy source or the fluid motor can be rotated using power from the first prime mover via the split shaft PTO.

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